AOC L42H831 Service Manual

42"&47" LCD TV
Service
Service
Service
Description
Table Of Contents......................................................1
Revision List.....................................................................2
Important Safety Notice....................................................3
1. General Specification...............................................4
2. Operating Instructions........................................6
2.1. The Use Of Remote Control.................................6
2.2. To Use The Menu...............................................7
2.3. How To Connect..............................................10
2.4. Front Panel Control Knobs.................................11
3. Input/Output Specification.......................................12
4. Mechanical Instructions.........................................14
5. Repair Flow Chart ..............................................19
6. PCB Layout ....................................................24
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

TABLE OF CONTENTS

Page Description
6.1.Main Board................................................24
6.2.Power Board..............................................27
6.3.Key Board.............................................29
6.4.IR Board.............................................29
7. Adjustment.......................................................30
8. Block Diagram..................................................31
9. Schematic.....................................................32
9.1 Main Board....................................................32
9.2.Power Board..................................................42
9.3.Key Board................................................46
10. Exploded View..............................................47
11. BOM List.....................................................49
12. Different Parts List..................................100
SAFETY NOTICE
1
AOC L42H831&L47H831
Horizontal Frequency
31~60 kHz
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